2190938

Information

• Patent Grant
• 2190938

• References
• Source

• Patent Number

  2,190,938

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1940
  84 years ago

• CPC

  • F22B37/423 - Valves for testing steam generators
  • Y10T137/6178 - Different portions of continuous surfaces
  • Y10T137/7903 - Weight biased

• US Classifications

  • 137 - Fluid handling
  • 251 - Valves and valve actuation